These hard-wearing labels are designed for outdoor, industrial and warehouse use. Offering durable adhesion on almost any surface, including glass, polished surfaces, plastic and metal, they are tear-proof, UV resistant, waterproof and temperature proof between -20 degrees Celsius and 80 degrees Celsius. Designed for your laser printer, these labels are fully customisable using Avery's free software and templates to keep things clear and organised in even the toughest of conditions. This pack contains 420 labels with 20 sheets and 21 each sheet.